Puppet of Einzbern, Irisviel

【AUTO】［(1)] When this card attacks, if a card named "Sign of Determination" is in your climax area, you may pay the cost. If you do, search your deck for up to one level 1 or higher 《Master》 or 《Servant》 character, reveal it to your opponent, and put it into your hand. Shuffle your deck afterwards.